Watson described the purpose of psychology as: âTo predict, given the stimulus, what reaction will take place; or, given the reaction, state what the situation or stimulus is that has caused the reactionâ (1930, p. 11). * All behavior is learnt from the environment.
Additional tests including penetration,solubility, and ductility are made on the residue. Cutback asphalt grades and tests There are several grades for each of the three types ofcutbacks â rapid curing (RC), medium curing (MC), andslow curing, (SC). The grades include 70, 250, 800, and3000.
There are two types of asphalt shingles: fiberglass and organic. Both have an asphalt exterior, but the difference between the two lies in the base of the shingle. Fiberglass shingles have a fiberglass mat, while organic shingles have a mat made from some kind of wood product, usually paper.Both types are available in architectural or three-tab styles. Architectural shingles have a heavier base mat and multiple layers of shingles, which makes for a multi-dimensional look.oth have an asphalt exterior, but the difference between the two lies in the base of the shingle. Fiberglass shingles have a fiberglass mat, while organic shingles have a mat made from some kind of wood product, usually paper.